# -*- coding: utf-8 -*-
# @Time    : 2020/4/29 20:48
# @Author  : Weymouth
# @Email   : 261229090@qq.com
# @File    : main.py
# @Software: PyCharm
# ---------------------------------------------------

def main():
    ctrl = True     # 标记是否退出系统
    while(ctrl):
        menus()
        option = input("")